Showing structure for 2-{15,16-dihydroxy-17-methoxy-6,18-dimethyl-2,10,13-trioxo-8-propyl-19,21-dioxa-7-azapentacyclo[12.7.0.0³,¹¹.0⁴,⁹.0¹⁵,²⁰]henicosa-1(14),3,5,8,11-pentaen-7-yl}benzenecarboximidic acid